Patents Examined by Dwayne J. White
  • Patent number: 9771817
    Abstract: A sealing system for a rotatable element defining an axis of rotation includes a rotor blade including a shank and an angel wing extending axially from the shank. The sealing system also includes a stator vane positioned axially adjacent the rotor blade. The stator vane includes a platform extending in an axial direction over the angel wing such that a clearance gap is defined therebetween. The sealing system also includes a sealing mechanism including a portion of the platform and a portion of the angel wing. The sealing mechanism includes at least one obliquely oriented surface such that the clearance gap defines a converging nozzle.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: September 26, 2017
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Eric John Ruggiero, Gregory Paul Rodebaugh, Rinaldo Luigi Miorini
  • Patent number: 9765645
    Abstract: A journal configured to be driven in rotation in a housing of a turbine engine, or for an aircraft, the journal including: a circumferential main body including plural ventilation openings configured to allow plural axial airflows to circulate from upstream to downstream in the turbine engine, two consecutive ventilation openings being connected by a connecting segment, and a circumferential ring for recovering a flow of lubrication oil, which ring is rigidly connected to the main body and is radially inside the ventilation openings, the circumferential ring including plural radial discharge openings for allowing plural radial flows of oil to be discharged towards the outside, each discharge opening being radially aligned with a connecting segment of the main body to allow each flow of oil to be discharged radially between the airflows.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: September 19, 2017
    Assignee: SNECMA
    Inventors: Eddy Stephane Joel Fontanel, Giuliana Elisa Rossi, Philippe Pierre Vincent Bouiller, Emmanuel Da Costa, Julien Foll
  • Patent number: 9765757
    Abstract: A system and method for preventing a rotor blade from striking a tower of the wind turbine is disclosed. The system includes a pitch adjustment mechanism, at least one electrical switch, and a mechanically-actuated positional switch. The pitch adjustment mechanism is configured to rotate the rotor blade about a pitch axis. Further, the pitch adjustment mechanism includes a motor and a brake. The electrical switch is configured with the motor, the brake, or both. The mechanically-actuated positional switch is fixed within a hub of the wind turbine. Further, the positional switch is configured with the electrical switch such that if the rotor blade rotates to an unsafe region, the positional switch is configured to trigger the electrical switch to implement one of tripping power to the motor of the pitch adjustment mechanism or actuating the brake of the pitch adjustment mechanism.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: September 19, 2017
    Assignee: General Electric Company
    Inventor: Joseph Lawrence Chacon
  • Patent number: 9765788
    Abstract: The described embodiments relate to improving efficiency of a low-profile cooling fan. In one embodiment, an impeller of the cooling fan includes a shroud which covers a central portion of the impeller, thereby allowing a central inlet portion of the blades to have an increased fan blade height when compared to a cooling fan constrained by minimum part tolerances between the fan blades and a portion of the fan housing. In some embodiments, the impeller includes splitter blades that can improve performance of the low-profile cooling fan.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: September 19, 2017
    Assignee: Apple Inc.
    Inventors: Jesse T. Dybenko, Anthony Joseph Aiello, Nicholas D. Mancini, Jay S. Nigen, Arash Naghib Lahouti
  • Patent number: 9765871
    Abstract: A turbine assembly for a torque converter is provided. The turbine assembly includes a turbine including a plurality of holes and a thrust washer connected to the turbine. The thrust washer includes a bearing ring, at least one retaining post axially protruding from the bearing ring through at least one of the holes and at least one support post axially protruding from the bearing ring through at least one of the holes. The or each retaining post includes an outwardly radially protruding clip securing the thrust washer onto the turbine. A method for forming a turbine assembly is also provided.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: September 19, 2017
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Timothy Simon, Matthew Smith
  • Patent number: 9765793
    Abstract: A centrifugal fan impeller includes a front endring, a rear endring, and a plurality of blades coupled between the front and the rear endrings. At least one blade of the plurality of blades includes a blade span extending between the front endring and the rear endring, a leading edge, and a trailing edge. The at least one blade further includes a first elliptical cross-sectional profile extending between the leading and the trailing edges.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: September 19, 2017
    Assignee: Regal Beloit America, Inc.
    Inventors: Rachele B. Cocks, Rafal Pawel Rohoza
  • Patent number: 9765626
    Abstract: The invention refers to a gas turbine blade including an airfoil extending in radial direction from a blade root to a blade tip, defining a span ranging from 0% at the blade root to 100% at the blade tip, and extending in axial direction from a leading edge to a trailing edge, which limit a chord with an axial chord length defined by an axial length of a straight line connecting the leading edge and trailing edge of the airfoil depending on the span. The axial chord length increases at least from 80% span to 100% span.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: September 19, 2017
    Assignee: ANSALDO ENERGIA SWITZERLAND AG
    Inventors: Fabian Neubrand, Willy Heinz Hofmann
  • Patent number: 9765633
    Abstract: A blade cascade for a turbomachine, having a number of blades (11, . . . 14; 21, . . . 25; 31, . . . 37) which include a monocrystalline material, each blade having a crystal orientation value (|?|), which is dependent on a crystal orientation of the monocrystalline material of the blade; the crystal orientation values of first blades (11, . . . 14) being less than a first limiting value and the crystal orientation values of second blades (21, . . . 25; 31, . . . 37) being at least equal to the first limiting value; and the blade cascade having at least one first sector (1), which includes at least three successive first blades (14, 12, 11, 13), and having at least one second sector (2+3; 2?+3?; 2?+3?), which includes at least three successive second blades (22, 21, 23, 24, 25; 31, 34, 36, 37, 33, 32, 35).
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: September 19, 2017
    Assignee: MTU Aero Engines AG
    Inventor: Andreas Hartung
  • Patent number: 9759187
    Abstract: A wind turbine with a wind turbine tower, a nacelle on the tower, a rotor hub rotatably mounted to the nacelle, and at least one wind turbine blade having a blade root mounted to the rotor hub, a tip end, a pressure side and a suction side connected to each other via a leading edge and a trailing edge, a first shell part having inner and outer surfaces and a second shell part having inner and outer surfaces, the shell parts having flanges that extend outwards from the trailing edge of the shell parts and away from the outer surface with gluing surfaces which are glued together when the two shell parts are placed on top of each other. This allows the glue line to be moved out of the inner area defined by the shell parts so that the glue process can be controlled more effectively.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: September 12, 2017
    Assignee: Envision Energy (Denmark) ApS
    Inventor: Wout Ruijter
  • Patent number: 9759227
    Abstract: An article of manufacture having a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z set forth in a scalable TABLE 1, wherein the Cartesian coordinate values of X, Y, and Z are non-dimensional values convertible to dimensional distances by multiplying the Cartesian coordinate values of X, Y, and Z by a number, and wherein X and Y are coordinates which, when connected by continuing arcs, define airfoil profile sections at each Z height, the airfoil profile sections at each Z height being joined with one another to form a complete airfoil shape.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: September 12, 2017
    Assignee: General Electric Company
    Inventors: Edward Charles Schurr, Svitlana Kalmyk
  • Patent number: 9759088
    Abstract: A turbomachine separator including a device for de-icing the turbomachine separator, and a distribution element, wherein the separator is formed by an inner ferrule and an outer ferrule, wherein the inner ferrule is fitted with a first mounting flange and a second mounting flange, the de-icing device including an internal air supply duct, able to inject air into the separator, wherein the internal supply duct is connected to an air inlet, wherein the air inlet forms a projection external to the de-icing device, allowing a flexible connection with a tube of the distribution element for conveying hot air, a first fastener constructed and arranged to be attached to the first mounting flange; and a second fastener constructed and arranged to be attached to the second mounting flange.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: September 12, 2017
    Assignee: SNECMA
    Inventors: Olivier Belmonte, Jacques René Bart
  • Patent number: 9759079
    Abstract: A gas turbine engine assembly adapted to separate a high pressure zone from a low pressure zone includes a seal assembly configured to block gasses from passing through the interface of two adjacent components. The seal assembly includes a rod.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: September 12, 2017
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc., Rolls-Royce High Temperature Composites Inc., Rolls-Royce plc
    Inventors: Aaron D. Sippel, Ted J. Freeman, David J. Thomas, Joseph P. Lamusga, Brian J. Shoemaker, Steven Hillier
  • Patent number: 9759183
    Abstract: A system and method for mounting a component to an internal web of a wind turbine blade includes, at a first mounting location on the internal web, at least one through-hole defined through the internal web. A bushing is located within the through-hole and is encased within an adhesive applied between the bushing and a wall of the through-hole. A plate is attached to each of the opposite panels of the internal web at the mounting location against an end face of the bushing, with each plate having a hole therein that is aligned with the through-hole. For mounting the component at the mounting location, a bolt is passed completely through the plates and bushing for attachment of a frame of the component to one of the plates.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: September 12, 2017
    Assignee: General Electric Company
    Inventors: Afroz Akhtar, Saravakota Sambamurty, Bruce Clark Busbey, Wilfred A.A.W., Bart Jan Veldkamp
  • Patent number: 9759220
    Abstract: An impeller element includes a plurality of blades disposed along an outer circumference of a circular support plate. Each blade is divided into a plurality of blade sections in a rotational axis direction. At least one of the divided blade sections as a long-chord blade section is configured such that a chord as a line segment connecting a blade outer-circumferential edge and a blade inner-circumferential edge of the blade in a cross section perpendicular to a rotational axis of the blade has a greater length than a chord of another one of the blade sections as a short-chord blade section. The blade inner-circumferential edge of the at least one long-chord blade section having the longer chord protrudes toward the inner circumferential side, relative to the blade inner-circumferential edge of the at least other one of the blade sections as the short-chord blade section having the shorter chord.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: September 12, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takahide Tadokoro, Takashi Ikeda, Shingo Hamada, Mitsuhiro Shirota
  • Patent number: 9759094
    Abstract: A pump for a gas turbine engine is provided. The pump includes a first drive track having a spline and a first gear each rigidly attached to a first driveshaft. The pump also includes a second drive track having a second gear rigidly attached to a second driveshaft. The second gear is mechanically coupled to the first gear. Additionally, a first lubrication supply pump is mechanically coupled to the first driveshaft and a second lubrication supply pump is mechanically coupled to the second driveshaft. The first and second lubrication supply pumps are together configured to provide a desired amount of lubrication to the gas turbine engine.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: September 12, 2017
    Assignee: General Electric Company
    Inventor: Walter Decania Hutto, Jr.
  • Patent number: 9752666
    Abstract: A torque converter for transferring torque from an input shaft to an output shaft, having a turbine wheel, an impeller connected to the input shaft to drive the turbine wheel hydrodynamically, a centrifugal force pendulum connected to the turbine wheel to damp torsional vibrations, a first torsion damper to drive the output shaft by means of the turbine wheel, and a converter clutch and a second torsion damper for selective torsionally damped coupling of the input shaft with the turbine wheel. One of the torsion dampers in this case includes two torsion damper elements, which are arranged in series with each other.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: September 5, 2017
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Benjamin Voegtle, Benjamin Daniel, Thorsten Krause
  • Patent number: 9751603
    Abstract: Disclosed are a propulsion device for a ship and a ship having the same. The propulsion device may include a rotational shaft, a rear propeller fixed to the rotational shaft, a front propeller rotatably supported by the drive shaft in front of the rear propeller, a counter rotation unit disposed in an installation space of a stern of a ship body and including a plurality of gears configured to reverse rotation of the rotational shaft and transmit the reversed rotation to the front propeller and a gear box configured to receive the plurality of gears, a coupling unit configured to separably connect the rotational shaft with the counter rotation unit and cut off power transmission from the rotational shaft to the counter rotation unit upon disconnection therebetween, and a rotation preventing unit configured to prevent rotation of the front propeller when the coupling unit is separated.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: September 5, 2017
    Assignee: Samsung Heavy Ind. Co., Ltd.
    Inventors: Dong-Hyun Lee, Jong-Soo Seo, Tae-Goo Lee, Kwang-Jun Paik, Kwang-Kun Park, Seung-Myun Hwangbo, Ji Nam Kim, Hyuk Kwun
  • Patent number: 9752561
    Abstract: A method for detecting a rotor blade pitch angle adjustment fault of a rotor blade of a wind turbine is provided, the method includes measuring a rotor blade pitch angle speed; predicting, based on an actual rotor speed, a rotor blade pitch angle speed; indicating a fault, if a first criterion is satisfied, wherein the first criterion is satisfied, if deviation between the measured rotor blade pitch angle speed and the predicted rotor blade pitch angle speed exceeds a speed threshold.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: September 5, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventors: Per Egedal, Gustav Hoegh, Bjarne Skovmose Kallesoee
  • Patent number: 9751623
    Abstract: A flexbeam unit for a multi-blade rotor of a rotary wing aircraft, the flexbeam unit comprising a plurality of flexbeam elements that define a predetermined number of torsion elements and a ring-shaped connection zone for attachment to a rotor hub associated with a rotor shaft of the multi-blade rotor, each flexbeam element passing the ring-shaped connection zone in a tangential manner and uninterruptedly connecting a first torsion element to a second torsion element of the predetermined number of torsion elements, wherein each flexbeam element overlaps at least one in the circumferential direction of the ring-shaped connection zone immediately following flexbeam element and is overlapped by at least one in the circumferential direction of the ring-shaped connection zone immediately preceding flexbeam element.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: September 5, 2017
    Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBH
    Inventor: Rupert Pfaller
  • Patent number: 9752672
    Abstract: A transmission turbo machine integrates drive units and/or driven units into a machine train via a transmission. The integrated transmission substantially comprises a central large wheel with a shaft and a plurality of pinions with pinion shafts. The large wheel is operatively connected to the pinions, and the ends of the pinion shafts are operatively connected to a drive unit and/or driven unit. The shaft of the large wheel is operatively connected to a drive unit and/or driven unit. The invention is characterized in that the drive unit and/or driven unit is an axial expander which is mounted in a cantilevering manner in one or more stages.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: September 5, 2017
    Assignee: MAN Diesel & Turbo SE
    Inventors: Emil Aschenbruck, Carsten Bennewa, Sven Boje, Bernd Risse, Philipp Gingter